{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "RNA", "cell line", "protein", "cell type"], "input": "Further, we observe that TAR-deleted mutants of HIV-1 demonstrate normal late gene expression in glial cells as evidenced by syncytia formation and production of viral p24 antigen ."}
{"DNA": ["TAR-deleted mutants"], "RNA": [], "cell line": [], "protein": ["viral p24 antigen"], "cell type": ["glial cells"]}